Home / 352,002.20-528,003.30-102,709.40

Finding the Fourth Proportional to 352,002.20, 528,003.30 and 102,709.40

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Solution

The fourth proportional to 352,002.20, 528,003.30 and 102,709.40 is: 154,064.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,002.20 : 528,003.30 = 102,709.40 : x
  2. Step 2: Convert to fraction form
    352,002.20/528,003.30 = 102,709.40/x
  3. Step 3: Cross multiply
    352,002.20x = 528,003.30 × 102,709.40
  4. Step 4: Simplify right side
    352,002.20x = 54,230,902,141.02
  5. Step 5: Solve for x
    x = 54,230,902,141.02/352,002.20
  6. Step 6: Final answer
    x = 154,064.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.